Home / 11,880.92-16,395.63-7,165.46

Finding the Fourth Proportional to 11,880.92, 16,395.63 and 7,165.46

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Solution

The fourth proportional to 11,880.92, 16,395.63 and 7,165.46 is: 9,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.92 : 16,395.63 = 7,165.46 : x
  2. Step 2: Convert to fraction form
    11,880.92/16,395.63 = 7,165.46/x
  3. Step 3: Cross multiply
    11,880.92x = 16,395.63 × 7,165.46
  4. Step 4: Simplify right side
    11,880.92x = 117,482,230.94
  5. Step 5: Solve for x
    x = 117,482,230.94/11,880.92
  6. Step 6: Final answer
    x = 9,888.31

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.